<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/vue.js"></script>
    <script>

    </script>
</head>
<body>
<!--1. 准备一个容器-->
<div id="app">

</div>
<script>
    let vm = new Vue({
        el:"#app",
        data:{

        }
    });
</script>


</body>
</html>